protractor

protractor is defined in Webster's Unabridged Dictionary (1913) with 4 senses. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.A mathematical instrument for laying down and measuring angles on paper, used in drawing or in plotting. It is of various forms, semicircular, rectangular, or circular.
  2. 2.(Surg.) An instrument formerly used in extracting foreign or offensive matter from a wound.
  3. 3.(Anat.) A muscle which extends an organ or part; -- opposed to retractor.
  4. 4.An adjustable pattern used by tailors. Knight.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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